package com.cw.DesignModel23.LSP;

import java.util.HashMap;

public class Client {
	public static void invoker(){
		//父类存在的地方，子类就应该能够存在
//		Father f = new Father();
		Son f = new Son();
		HashMap map = new HashMap();
		f.doSomething(map);
	}
	
	public static void main(String[] args) {
		invoker();
	}
}
